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TC647BEUA
Motor Driver/Controller, PWM, 3V to 5.5V supply, 4.4V/5 mA/1 Output, MSOP-8
Date/Lot Code
- Manufacturer:
- MICROCHIP MICROCHIP
- Manufacturer Part No:
- TC647BEUA
- Newark Part No.:
- 03H6620
- Technical Datasheet:
- TC647BEUA Datasheet
Product Overview
The TC647BEUA is a switch mode PWM Fan Speed Controller with fan restart and FanSense™ technology for fault detection. Temperature-proportional speed control is accomplished using pulse width modulation. A thermistor connected to the VIN input supplies the required control voltage of 1.2 to 2.6V typical for 0 to 100% PWM duty cycle. Minimum fan speed is set by a simple resistor divider on the VMIN input. An integrated Start-Up Timer ensures reliable motor start-up at turn-ON, coming out of shutdown mode or following a transient fault. A logic-low applied to VMIN causes fan shutdown. The TC647B also feature Microchip Technology's proprietary FanSense™ technology for increasing system reliability. In normal fan operation, a pulse train is present at SENSE. A missing-pulse detector monitors this pin during fan operation. A stalled, open or unconnected fan causes the TC647B device to turn the VOUT output on full. If the fault persists, the FAULT output goes low.
- Temperature proportional fan speed for acoustic noise reduction and longer fan life
- Efficient PWM fan drive
- FanSense™ Fault detection circuit protects against fan failure and aids system testing
- Shutdown mode for green systems
- Supports NTC/PTC thermistors
- Fan auto-restart
Applications
Wireless, Sensing & Instrumentation, Medical
Product Information
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- :
- PWM
- :
- 1Outputs
- :
- 5mA
- :
- 4.4V
- :
- MSOP
- :
- 8Pins
- :
- 3V
- :
- 5.5V
- :
- -40°C
- :
- 85°C
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (4)
61 In stock
Same day shipping
More stock available week commencing 24/07/23
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